PPG Thinner 90-53
This thinner has been developed by PPG Protective and Marine Coatings for use with selected paint products.More Information Delivery Info
£42.59 (incl. VAT)
£35.49 (ex. VAT)
PPG SigmaFast 278, formerly known as Amercoat 278, a two-component, high solids, zinc phosphate epoxy primer and buildcoat in protective coating systems with excellent corrosion resistance in atmospheric exposure. Cures at temperatures down to -5°C (23°F) and can be overcoated with various two-pack epoxy and polyurethane coatings after 2 hours.
PPG SigmaFast 278, formerly known as Amercoat 278, is a two-component, high solids, zinc phosphate epoxy primer and buildcoat for use in protective coating systems with excellent corrosion resistance in atmospheric exposure. Curing at temperatures down to -5°C (23°F), SigmaFast 278 can be overcoated with various two-pack epoxy and polyurethane coatings after 2 hours.
Reference | Colour | Size | Gloss Level |
---|---|---|---|
328924 | Cream | 20 litres | Semi-Gloss |
322562 | Off White | 20 litres | Semi-Gloss |
320758 | Red Brown | 20 litres | Semi-Gloss |
- | RAL & BS colours | 4 litres | Semi-Gloss |
- | RAL & BS colours | 20 litres | Semi-Gloss |
Note:
Epoxies will yellow over time and this will be more visible in white and off-white. SigmaFast 278 should be used for noncosmetic areas only.
Two-component, high solids, zinc phosphate epoxy primer and buildcoat
Data for mixed product at 20°C (68°F) | |
---|---|
Number of components | Two |
Mass density | 1.5 kg/l (12.5 lb/US gal) |
Volume solids | 80 ± 2% |
VOC (Supplied) | Directive 1999/13/EC, SED: max. 153.0 g/kg |
UK PG 6/23(92) Appendix 3: max. 230.0 g/l (approx. 1.9 lb/US gal) | |
EPA Method 24: 220.0 g/ltr (1.8 lb/USgal) | |
Recommended dry film thickness | 75 - 250 µm (3.0 - 10.0 mils) |
Theoretical spreading rate | 6.4 m²/l for 125 µm (257 ft²/US gal for 5.0 mils) |
Dry to touch | 1 hour |
Overcoating Interval | Minimum: 2 hours |
Maximum: Unlimited | |
Full cure after | 3 days |
Shelf life | Base: at least 24 months when stored cool and dry |
Hardener: at least 24 months when stored cool and dry |
Notes:
Recommended Substrate Conditions and Temperatures
Substrate conditions
Steel
Galvanized steel
Primed steel or previous coat
Substrate Temperature & Application Conditions
Instructions for Use
Mixing ratio by volume: base to hardener 75:25 (3:1)
Induction Time
None.
Air Spray
Recommended thinner
Volume of thinner
Nozzle orifice
Nozzle pressure
Airless Spray
Recommended thinner
Volume of thinner
Nozzle orifice
Nozzle pressure
Brush/roller
Recommended thinner
Volume of thinner
Notes:
Cleaning Solvent
DFT | Theoretical spreading rate |
---|---|
75 µm (3.0 mils) | 10.7 m²/l (428 ft²/US gal) |
125 µm (5.0 mils) | 6.4 m²/l (257 ft²/US gal) |
250 µm (10.0 mils) | 3.2 m²/l (128 ft²/US gal) |
Overcoating interval for DFT up to 125 µm (5.0 mils)
Overcoating with... | Interval | -5°C (23°F) | 0°C (32°F) | 10°C (50°F) | 20°C (68°F) | 30°C (86°F) |
---|---|---|---|---|---|---|
Various two-pack epoxy and polyurethane coatings | Minimum | 24 hours | 14 hours | 4 hours | 2 hours | 1 hour |
Maximum exposed to direct sunshine | Unlimited | Unlimited | Unlimited | Unlimited | Unlimited |
Notes:
Curing time for DFT up to 125 µm (5.0 mils)
Substrate temperature | Dry to Touch | Dry to Handle | Full Cure |
---|---|---|---|
-5°C (23°F) | 16 hours | 38 hours | N/A |
0°C (32°F) | 11 hours | 24 hours | 21 days |
10°C (50°F) | 4 hours | 8 hours | 8 days |
20°C (68°F) | 2 hours | 4 hours | 4 days |
30°C (86°F) | 1 hours | 2 hours | 3 days |
Notes:
Pot Life (at application viscosity)
Mixed product temperature | Pot life |
---|---|
0°C (32°F) | 10 hours |
10°C (50°F) | 3 hours |
20°C (68°F) | 1 hour |
30°C (86°F) | 30 minutes |
Note:
Customer agrees that before placing an Order, Customer has read and understood the most up to date Product Data Sheet for the Product. Where we have access to the Product Data Sheet from the manufacturer, we will either provide a copy on request, or include a link to the Product Data Sheet available on the manufacturer’s website. Customer further agrees that we have no liability for any errors or omissions contained within the Product Data Sheets. For more information, please see our Terms & Conditions of Sale.
PPG SigmaFast 278 is only available with the shipping and delivery timescales listed below - please do not contact our Customer Support Team with enquiries about alternative or earlier shipping and delivery times.
Saturdays and Sundays, as well as Bank Holidays, are not classed as working days.
Orders placed after the cut-off for this product will not be processed for earliest dispatch until 9am the next working day.
All delivery costs below are excluding VAT
This thinner has been developed by PPG Protective and Marine Coatings for use with selected paint products.More Information Delivery Info
£42.59 (incl. VAT)
£35.49 (ex. VAT)
This thinner has been developed by PPG Protective and Marine Coatings for use with selected paint products.More Information Delivery Info
£42.59 (incl. VAT)
£35.49 (ex. VAT)